50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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namespace TLHelp {
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template <typename Callback>
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inline auto VisitChannelParticipant(
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const MTPChannelParticipant &p,
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Callback &&callback) {
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switch (p.type()) {
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case mtpc_channelParticipant:
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return callback(p.c_channelParticipant());
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case mtpc_channelParticipantSelf:
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return callback(p.c_channelParticipantSelf());
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case mtpc_channelParticipantAdmin:
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return callback(p.c_channelParticipantAdmin());
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case mtpc_channelParticipantCreator:
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return callback(p.c_channelParticipantCreator());
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case mtpc_channelParticipantBanned:
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return callback(p.c_channelParticipantBanned());
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default: Unexpected("Type in VisitChannelParticipant()");
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}
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}
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inline UserId ReadChannelParticipantUserId(const MTPChannelParticipant &p) {
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return VisitChannelParticipant(p, [](auto &&data) {
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return data.vuser_id.v;
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});
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}
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template <typename Callback>
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inline auto VisitChannelParticipants(
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const MTPchannels_ChannelParticipants &p,
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Callback &&callback) {
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switch (p.type()) {
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case mtpc_channels_channelParticipants:
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return callback(p.c_channels_channelParticipants());
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case mtpc_channels_channelParticipantsNotModified:
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return callback(p.type());
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default: Unexpected("Type in VisitChannelParticipants()");
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}
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}
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} // namespace TLHelp
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